-7*63-9y=63

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Solution for -7*63-9y=63 equation: 


Simplifying
-7 * 63 + -9y = 63

Multiply -7 * 63
-441 + -9y = 63

Solving
-441 + -9y = 63

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '441' to each side of the equation.
-441 + 441 + -9y = 63 + 441

Combine like terms: -441 + 441 = 0
0 + -9y = 63 + 441
-9y = 63 + 441

Combine like terms: 63 + 441 = 504
-9y = 504

Divide each side by '-9'.
y = -56

Simplifying
y = -56

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